a lot of this will be technologies that will be devout. a lot of this will be nano technologies. we need to be able to record thousands of brain cells at the same time and understand how the circuits work. that is a brain at to the map that is being talked about. we do not really have a map for , but it is is an exciting moment to put something together. nih directorthe dr. francis collins sunday night on c-span's "q&a." >> now actress mariska hargitay talks about efforts to help survivors of sexual assault, domestic violence, and child abuse. svu."tar of "law and order: this is under an hour. >> i am so honored and thrilled to be here today. thank you, angela. reminding me of the old days. [laughter] my heart is beating, and it is such an honor, thrilled to be here for so many reasons. i just came from standing with the vice president and attorney general holder at a press conference to highlight the dire and immediate need to reduce domestic violence homicides. and now here i am with all of you in washington dc, a very exciting day. the kind of day that makes your diary burst i